Ciena (CIEN) vs T-Mobile US (TMUS)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Ciena (CIEN) has outperformed T-Mobile US (TMUS) over the past year, gaining 166.8% versus a loss of 24.4%. Over five years, CIEN leads with a +715.2% price change compared with +45.7% for TMUS. T-Mobile US is the larger company by market cap ($183.76 billion vs $60.40 billion), about 3.0 times the size, while Ciena is growing revenue faster (+18.8% vs +8.5%).
On valuation, T-Mobile US trades at a lower forward P/E (11.9x vs 36.0x for Ciena). T-Mobile US pays a dividend yielding 2.38%, while Ciena does not currently pay one. T-Mobile US converts more of its revenue into profit, with a net margin of 12.4% versus 2.6%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | CIEN | TMUS |
|---|---|---|
| Share price | $425.93 | $171.31 |
| Market cap | $60.40B | $183.76B |
| 1-day change | -4.60% | +2.18% |
| YTD return | +82.12% | -15.63% |
| 1-year return | +166.77% | -24.39% |
| 5-year return | +715.18% | +45.72% |
| P/E ratio (TTM) | 95.29 | 17.90 |
| Forward P/E | 36.01 | 11.87 |
| EPS (TTM) | $4.47 | $9.57 |
| Dividend yield | 0.00% | 2.38% |
| Annual dividend | $0.00 | $4.08 |
| Revenue (latest FY) | $4.77B | $88.31B |
| Revenue growth (YoY) | +18.79% | +8.49% |
| Net income (latest FY) | $123.34M | $10.99B |
| Gross margin | 42.04% | — |
| Operating margin | 4.14% | 20.70% |
| Net margin | 2.59% | 12.45% |
| 52-week high | $637.51 | $231.02 |
| 52-week low | $153.27 | $160.81 |
| Distance from 52-week high | -33.19% | -25.85% |
| Analyst consensus | buy | buy |
| Avg. price target upside | +20.44% | +40.82% |
| Average volume | 2.38M | 4.66M |
| Shares outstanding | 141.81M | 1.07B |
| Employees | 8,898 | 75,000 |
| Sector | Utilities | Telecommunications |
| Industry | Telecommunications Equipment | Telecommunications Equipment |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- T-Mobile US is about 3.0 times larger than Ciena by market value ($183.76B vs $60.40B).
- CIEN has outperformed TMUS by 191.2 percentage points over the past year.
- Ciena trades at a higher earnings multiple (95.3x vs 17.9x trailing P/E).
- T-Mobile US offers a meaningfully higher dividend yield (2.38% vs 0.00%).
- T-Mobile US is more profitable, keeping 12.4 cents of every revenue dollar as net income versus 2.6 cents for Ciena.
- Ciena grew revenue faster in its latest fiscal year (+18.79% vs +8.49%).
- The two companies sit in different sectors: Ciena in Utilities and T-Mobile US in Telecommunications.
About Ciena
CIEN stock →Ciena Corporation, a network technology company, provides hardware, software, and services for various network operators in the Americas, Europe, the Middle East, Africa, the Asia Pacific, Japan, and India. It operates through Networking Platforms, Platform Software and Services, Blue Planet Automation Software and Services, and Global Services segments.
Utilities · Telecommunications Equipment · 8,898 employees
About T-Mobile US
TMUS stock →T-Mobile US, Inc., together with its subsidiaries, provides wireless communications services in the United States, Puerto Rico, and the United States Virgin Islands. The company offers voice, messaging, and data services to postpaid, prepaid, and wholesale and other services customers.
Telecommunications · Telecommunications Equipment · 75,000 employees
CIEN vs TMUS FAQ
Which is bigger, Ciena or T-Mobile US?
T-Mobile US (TMUS) is larger, with a market capitalization of $183.76B compared with $60.40B for Ciena (CIEN).
Which stock has performed better over the past year, CIEN or TMUS?
CIEN returned +166.77% over the past 12 months, compared with -24.39% for TMUS (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, CIEN or TMUS?
TMUS has the lower trailing P/E at 17.9, versus 95.3 for CIEN. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, Ciena or T-Mobile US?
T-Mobile US pays a dividend yielding 2.38%, while Ciena does not currently pay a regular dividend.
Are Ciena and T-Mobile US in the same industry?
Yes. Both are classified in the Telecommunications Equipment industry within the Utilities sector.